diff --git a/cabal.project b/cabal.project
index 8eab96dfd34..4a51f6d1ff4 100644
--- a/cabal.project
+++ b/cabal.project
@@ -15,7 +15,7 @@ repository cardano-haskell-packages
 -- Bump this if you need newer packages from Hackage
 index-state: 2022-09-07T00:00:00Z
 -- Bump this if you need newer packages from CHaP
-index-state: cardano-haskell-packages 2022-10-10T00:00:00Z
+index-state: cardano-haskell-packages 2022-10-14T19:00:00Z
 
 packages:
   eras/alonzo/impl
diff --git a/libs/cardano-ledger-binary/cardano-ledger-binary.cabal b/libs/cardano-ledger-binary/cardano-ledger-binary.cabal
index 198205f38fc..8e70dd862a8 100644
--- a/libs/cardano-ledger-binary/cardano-ledger-binary.cabal
+++ b/libs/cardano-ledger-binary/cardano-ledger-binary.cabal
@@ -56,7 +56,7 @@ library
                    , bytestring
                    , cardano-binary
                    , cardano-crypto-class
-                   , cardano-crypto-praos
+                   , cardano-crypto-praos >= 2.1.0.0
                    , cardano-strict-containers
                    , cborg
                    , containers
diff --git a/nix/sources.json b/nix/sources.json
index 616dc7e9439..968cfd47904 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -1,78 +1,78 @@
 {
-  "cardano-haskell-packages": {
-    "branch": "repo",
-    "description": "Metadata for Cardano's Haskell package repository",
-    "homepage": "https://input-output-hk.github.io/cardano-haskell-packages/",
-    "owner": "input-output-hk",
-    "repo": "cardano-haskell-packages",
-    "rev": "d4af732a53321a1d1760023a2fa5b3f656cc3bfd",
-    "sha256": "0zp19d79szvkvg8h5iv8w6qfd6m2cxy6p7pndf2r6zh923zyxqmf",
-    "type": "tarball",
-    "url": "https://github.com/input-output-hk/cardano-haskell-packages/archive/d4af732a53321a1d1760023a2fa5b3f656cc3bfd.tar.gz",
-    "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
-  },
-  "hackage.nix": {
-    "branch": "master",
-    "description": "Automatically generated Nix expressions for Hackage",
-    "homepage": "",
-    "owner": "input-output-hk",
-    "repo": "hackage.nix",
-    "rev": "1a5c4c394b23fa5d6820e59d65d02b40a13abaa1",
-    "sha256": "0nh6pz7f6b5digdfcccpl8ycsrkyhkzq9mpamr284ypndpwhyypz",
-    "type": "tarball",
-    "url": "https://github.com/input-output-hk/hackage.nix/archive/1a5c4c394b23fa5d6820e59d65d02b40a13abaa1.tar.gz",
-    "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz",
-    "version": "b3c99d7f13df89a9a918c835ecb7114098912962"
-  },
-  "haskell.nix": {
-    "branch": "master",
-    "description": "Alternative Haskell Infrastructure for Nixpkgs",
-    "homepage": "https://input-output-hk.github.io/haskell.nix",
-    "owner": "input-output-hk",
-    "repo": "haskell.nix",
-    "rev": "3bbbb40cc0babb6d7f6b3b92d3ee25b934484cdc",
-    "sha256": "0qq2zvy925glbm4gdplw630fwpq69n7bqjh7dcfsy41w2283f103",
-    "type": "tarball",
-    "url": "https://github.com/input-output-hk/haskell.nix/archive/3bbbb40cc0babb6d7f6b3b92d3ee25b934484cdc.tar.gz",
-    "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz",
-    "version": "962ecfed3a4fb656b5a91d89159291e00ed766bc"
-  },
-  "iohk-nix": {
-    "branch": "master",
-    "description": "nix scripts shared across projects",
-    "homepage": null,
-    "owner": "input-output-hk",
-    "repo": "iohk-nix",
-    "rev": "edb2d2df2ebe42bbdf03a0711115cf6213c9d366",
-    "sha256": "1yjm5bk26vak25j9ws5lv2jw80kjdfn1a7b003kzs1r0zds87xy2",
-    "type": "tarball",
-    "url": "https://github.com/input-output-hk/iohk-nix/archive/edb2d2df2ebe42bbdf03a0711115cf6213c9d366.tar.gz",
-    "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
-  },
-  "nixpkgs": {
-    "builtin": true,
-    "branch": "nixpkgs-unstable",
-    "description": "Nix Packages collection",
-    "homepage": "",
-    "owner": "nixos",
-    "repo": "nixpkgs",
-    "rev": "1882c6b7368fd284ad01b0a5b5601ef136321292",
-    "sha256": "0zg7ak2mcmwzi2kg29g4v9fvbvs0viykjsg2pwaphm1fi13s7s0i",
-    "type": "tarball",
-    "url": "https://github.com/NixOS/nixpkgs/archive/1882c6b7368fd284ad01b0a5b5601ef136321292.tar.gz",
-    "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
-  },
-  "ormolu": {
-    "branch": "master",
-    "builtin": false,
-    "description": "A formatter for Haskell source code",
-    "homepage": null,
-    "owner": "tweag",
-    "repo": "ormolu",
-    "rev": "0.5.0.1",
-    "sha256": "12g807igwcv0jlhw39ya35bpx0yy4xzv02xy8b3dqhn732y8z1wb",
-    "type": "tarball",
-    "url": "https://github.com/tweag/ormolu/archive/refs/tags/0.5.0.1.tar.gz",
-    "url_template": "https://github.com/<owner>/<repo>/archive/refs/tags/<rev>.tar.gz"
-  }
+    "cardano-haskell-packages": {
+        "branch": "repo",
+        "description": "Metadata for Cardano's Haskell package repository",
+        "homepage": "https://input-output-hk.github.io/cardano-haskell-packages/",
+        "owner": "input-output-hk",
+        "repo": "cardano-haskell-packages",
+        "rev": "89f17aabd6a47c597767596d7a6030b3ee431537",
+        "sha256": "0cy9lzfkahqm74f8wvdndxlcyb7w69lk5csa3zvq8sghc13mp40p",
+        "type": "tarball",
+        "url": "https://github.com/input-output-hk/cardano-haskell-packages/archive/89f17aabd6a47c597767596d7a6030b3ee431537.tar.gz",
+        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
+    },
+    "hackage.nix": {
+        "branch": "master",
+        "description": "Automatically generated Nix expressions for Hackage",
+        "homepage": "",
+        "owner": "input-output-hk",
+        "repo": "hackage.nix",
+        "rev": "1a5c4c394b23fa5d6820e59d65d02b40a13abaa1",
+        "sha256": "0nh6pz7f6b5digdfcccpl8ycsrkyhkzq9mpamr284ypndpwhyypz",
+        "type": "tarball",
+        "url": "https://github.com/input-output-hk/hackage.nix/archive/1a5c4c394b23fa5d6820e59d65d02b40a13abaa1.tar.gz",
+        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz",
+        "version": "b3c99d7f13df89a9a918c835ecb7114098912962"
+    },
+    "haskell.nix": {
+        "branch": "master",
+        "description": "Alternative Haskell Infrastructure for Nixpkgs",
+        "homepage": "https://input-output-hk.github.io/haskell.nix",
+        "owner": "input-output-hk",
+        "repo": "haskell.nix",
+        "rev": "3bbbb40cc0babb6d7f6b3b92d3ee25b934484cdc",
+        "sha256": "0qq2zvy925glbm4gdplw630fwpq69n7bqjh7dcfsy41w2283f103",
+        "type": "tarball",
+        "url": "https://github.com/input-output-hk/haskell.nix/archive/3bbbb40cc0babb6d7f6b3b92d3ee25b934484cdc.tar.gz",
+        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz",
+        "version": "962ecfed3a4fb656b5a91d89159291e00ed766bc"
+    },
+    "iohk-nix": {
+        "branch": "master",
+        "description": "nix scripts shared across projects",
+        "homepage": null,
+        "owner": "input-output-hk",
+        "repo": "iohk-nix",
+        "rev": "edb2d2df2ebe42bbdf03a0711115cf6213c9d366",
+        "sha256": "1yjm5bk26vak25j9ws5lv2jw80kjdfn1a7b003kzs1r0zds87xy2",
+        "type": "tarball",
+        "url": "https://github.com/input-output-hk/iohk-nix/archive/edb2d2df2ebe42bbdf03a0711115cf6213c9d366.tar.gz",
+        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
+    },
+    "nixpkgs": {
+        "branch": "nixpkgs-unstable",
+        "builtin": true,
+        "description": "Nix Packages collection",
+        "homepage": "",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "1882c6b7368fd284ad01b0a5b5601ef136321292",
+        "sha256": "0zg7ak2mcmwzi2kg29g4v9fvbvs0viykjsg2pwaphm1fi13s7s0i",
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixpkgs/archive/1882c6b7368fd284ad01b0a5b5601ef136321292.tar.gz",
+        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
+    },
+    "ormolu": {
+        "branch": "master",
+        "builtin": false,
+        "description": "A formatter for Haskell source code",
+        "homepage": null,
+        "owner": "tweag",
+        "repo": "ormolu",
+        "rev": "0.5.0.1",
+        "sha256": "12g807igwcv0jlhw39ya35bpx0yy4xzv02xy8b3dqhn732y8z1wb",
+        "type": "tarball",
+        "url": "https://github.com/tweag/ormolu/archive/refs/tags/0.5.0.1.tar.gz",
+        "url_template": "https://github.com/<owner>/<repo>/archive/refs/tags/<rev>.tar.gz"
+    }
 }